Bad service and dismissive behavior by woman at KFC

I went to KFC Birchleigh for lunch the lady who served me did not greet and didn't seem want to serve me. I went to her anyway and ordered a zinger burger meal. When I opened by burger I noticed the order wasnt what I ordered. I went to the counter and unfortunately she was the only server there. I asked her if this is the right thing because it usually doesnt look like this at other KFCs. She took my burger and came back with something that tried to look like a burger. The old sauce was still there along with the correct sauce, the lettuce was dumped on top of the pattie ( alot of lettuce). I had to remove half of the lettuce because it wasn't edible . I ate half of it but it came apart and I had throw away the rest. We all make mistakes but why do you need to have attitude and bring someone something you wouldnt even eat yourself. Very disappointed in the service in KFC Birchleigh